Shocks
The factory shocks that came with my new truck were atrocious, and replacing them with Edelbrock IAS performers was one of the best upgrades I ever made.

When I lifted my truck, the Edelbrocks were too short, so I tried Trailmaster shocks on the recommendation of a four wheel drive shop in Anchorage Alaska. The Trailmasters were great for a couple of hundred miles and then bit the dust. The Trailmasters were junk and as bad or worse than the stock shocks.

I'm now trying Bilstein shocks, and so far they seem to perform well. The single Bilsteins on the rear are valved too soft, so I will modify the shock mounts to accept dual rear shocks on each side and possibly change to heavier shock valving.